Coating-machine.



S. E. DART.

COATING MACHINE.

APPLICATION FILED JAN. 14. 1916 Patented Sept. 19, 1916.

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S. E. DART. COATING MACHINE.

APPLICATION FILED lAN-14. l9l6.

Patented Sept. 19, 1916.

4 SHEETS- SHEET 2.

S. E. DART.

mums MACHINE.

APPLICATION FILED JAN. 14. 1916.

1 1 98,525 Patented Sept. 19, 1916.

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S. E. DART.

comma MACHINE.

UNITED STATES PATENT OFFICE.

SAMUEL E. DART, OF TROY, NEW YORK.

COATING-MACHINE.

To all whom it may concern Be it known that I, SAMUEL E. DART, a citizen of the United States, residing at Troy, in the county of Rensselaer and State of New York, have invented a new and useful Improvement in Coating-Machines, of which the following is a specification.

This invention relates to a machine which is designed to apply liquid coating to the surfaces of articles cut from sheets of material. The embodiment of the invention illustrated is particularly serviceable for treating and rendering more waterproof and less liable to be roughened up and disintegrated by abrasion, when subjected to heat and moisture, pieces cut from fiber board and similar materials and designed to be used as counters in shoes and the like articles.

The object of the invention is to provide a machine which can be used to coat one or both surfaces of properly shaped pieces very rapidly, uniformly and efficiently, and thereby with no waste produce a satisfactory product at a minimum expense.

In using the machine which forms the subject of this invention for making shoe counters, for example, pieces out and skived to the usual shape from paper or similar fiber board are fed to belts which carry them to rolls that coat the surfaces with a suitable acid or hydro-carbon, or other water proofing liquid, and deliver them to a conveyer by which they are carried until the acid or other compound has penetrated or acted upon the material to the desired de gree, and then delivered onto an apron which carries them between rolls while a neutralizing, or fixing, or hardening compound is applied, and discharges them from the machine.

In the accompanying drawings Figure 1 shows a plan of the machine. Fig. 2 shows a side elevation of the machine. Fig. 3 shows a vertical longitudinal section of one end, on larger scale. Fig. 4 shows a vertical longitudinal section of the other end, on larger scale.

At the front or entrance end of the ma chine is a shaft 1 supported by bearings in plates 2 that are attached to the side bars 3 of the frame. On one end of this shaft is a sprocket 4 that by a chain 5 is connected with a sprocket 6 on a shaft 7 which has a sprocket 8 that by a chain 9 is connected with a sprocket 10 onthe driving shaft 11 Specification of Letters Patent. Patented Sept. 19, 1916.

Application filed January 14, 1916.

Serial No. 72,024.

which is provided with a pulley 12. The shaft 7 is supported by bearings in brackets 13 attached to standards 14 mounted on the base on each side near the front, and the shaft 11 is supported in bearings in pillow blocks 15 mounted on the top of the side bars 3, and also at the pulley end in hearings in a pillow block 16 that is secured to the top of the frame 17. The side bars are supported at their front ends by posts 18 attached to the standards 14 and at their rear ends by posts 19 attached to the walls of the tank 20. Secured to the shaft 1 are pulleys 21 around which pass the endless belts 22 that also pass around pulleys 23 on a shaft 24 which is supported by bearings in plates 25 that are fastened to the side bars. The pieces of fiber board to be coated, cut to the necessary shape to form the desired articles so that there will be no waste, are placed upon the several feed belts 22 and carried thereby into the machine, being guided by thin plates 26 that are attached to blocks 27 which are adjustably mounted on the bar 28 fastened to the tops of the side bars.

Fastened to the shaft? in line with and adjacent to the rear ends of the belts are a number of coating rolls 29. These rolls, equal in number to the belts, are by the mechanism shown driven uniformly with and at substantially the same rate of speed as the feed belts. The rolls 29 turn in vats 30 that contain the liquid with which the surfaces of the pieces are to be coated. This liquid may be a hydro-carbon, as creosote, or an acid, as sulfuric acid, or any similar compound, depending upon the substance of the fiber board and the particular treatment to which it is to be subjected. The vats are preferablyjacketed so the coating compound may be kept at atmospheric temperature or heated to any'desired degree. The vats are placed on a horizontal plate 31 which is secured to the upper edge of a vertical plate 32 that is adapted to be moved up and clown on the backs of the standards 14. The vertical plate is held to the standard by gib plates 33, and on its back face near each side is a rack 34 engaging with which are pinions 35 on the shaft 36 that at one side has a hand wheel 37. By turning this hand Abovethe lower coating rolls 29 are the upper coating rolls 38. Each of these upper rolls is mounted on its own axle, and each axle is supported by a frame 39 which at the rear has an extension 40 that is pivotally hung on a shaft 41. At the front each frame has an extension 42 carrying a set screw 43 which turns through the extension onto a shelf 5% that projects rearwardly from the bar 45 which near the front ties together the side bars. The side bars are tied together near their rear ends by a bar 4-6. When supported in this manner each upper coating roll may be swung over away from its corresponding lower coating roll, or may be swung down and adjusted so that its surface will be the required distance from the surface of the lower roll to properly cooperate therewith on the pieces of material fed between the rolls. On each upper coating roll axle is a sprocket 47 which is connected by a chain 48 with a sprocket 49 on the shaft 41. On one side the shaft 41 has a gear 50 meshing with which is a pinion 51 on the driving shaft 11.

Back of the coating rolls are a number of rollers 52 arranged horizontally and held by bearings in plates 53 which are fastened to the side frames. These rollers are desirably covered with glass or a similar substance which may be easily cleaned and which will not be attacked by the coating compound. On one endeach roller shaft has a sprocket wheel 54. These wheels are connected by a chain 55. The shaft of the rear roller, on the other side of the machine, has a sprocket wheel 56 that by a chain 57 is connected with a sprocket wheel 58 on the driving shaft 11. The pieces that are coated as thev pass between the coating rolls are by the coating rolls delivered onto these con-' veyer rollers which carry them rearwardly for a sufficient interval of time to allow the coating compound to penetrate the material and suitably act thereon, that is, if the pieces are coated with creosote they are carried by the conveyer rollers long enough to enable the creosote to penetrate the material the desired amount, or if the pieces are treated with acid they are carried by the conveyer rollers just long enough for the acid on their surfaces to effect the desired chemical action.

On the upper edges of the tank 20 are brackets bearing a shaft 59 provided with a roll 60. At the other end of the tank are columns 61 with vertically movable bearing blocks 62 and 63, the former carrying a shaft 64 with a roll 65, and the latter carrying a shaft 66 with a roll 67. The upper bearing blocks are held down by springs 68 arranged in housings 69. The tension of these springs is regulated by the screws 70. On one side of the machine the lower roll shaft is provided with a driving pulley 71. Passing around the roll 60 and the roll 67 is an apron 72. Intermediate the rolls 60 and 67 are three pairs of rolls 73. The axles of these rolls are mounted in bearing blocks 74, the upper of which are downwardly spring pressed. These blocks are held in a frame 7 5 which extends down into the tank and on one side has trunnions 76 supported by bearings in brackets 77 attached to the side wall of the tank. At the other side the frame has an outwardly extending arm 78 turning in which is a screw 79. The lower end of the screw bears on the upper edge of the tank wall and by turning the screw the frame may be adjusted up or down so as to put the proper tension on the apron which passes between the rolls carried by the frame, and insure that the apron travels uniformly on each side and carries the treated pieces correctly between the rolls. This apron is made of absorbent material and its lower section between the rolls 60 and 67 is somewhat slack so that it will dip down into a solution in the tank. This solution may be a drier which will harden the coating liquid, or a salt which will neutralize or any acid which has been applied to the pieces by the coating rolls. After the pieces have been carried between these rolls and wet by contact with the apron they are discharged from the machine. l/Vith this machine small pieces of material cut to shape, such as pieces of fiber board cut and skived for forming shoe counters, may be conveniently and quickly placed on the several feeding belts and rapidly carried to the coating rolls which will cover the surfaces uniformly with just the right amount of liquid, for instance, sulfuric acid, and deliver the pieces to the conveyer rollers which carry them along until the coating liquid has penetrated into the body a sufiicient distance, or the acid has chemically acted to the desired degree on the surfaces of the pieces, and then delivers them to the apron which, as the apron and pieces pass between the rolls, dampens them or subjects the coating to a liquid which will harden the water-proofing or stop the action of the acid, and discharge them from the machine. The pieces thus treated by this machine have a uniformly coated surface,if acid is used just the right amount of acid is applied and it is allowed to act for only a definite time and then is neutralized or fixed. This results in pieces having a smooth surface which is not easily affected by moisture and does not rough-up and disintegrate under abrasion. The travel of the pieces through the machine can be regulated so that the acid action, if acid is used, is such that the texture of the body is not destroyed and the pieces are not made too brittle for future formation anduse.

The invention claimed is: l. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, vats at the ends of the feed belts for holding the coat ing compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the feed belts, rotating rolls coeperating with the applying rolls for coating and feeding the pieces, ro=

tating rollers for receiving and conveying" the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, and a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyer rollers, and discharging the pieces from the machine, I

2. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, stock guides each side of the feed belts, vats at the ends of the feed belts for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the feed belts, rotating rolls cotiperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, and a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the' conveyer rollers, and discharging the pieces from the machine.

8. A machine for treating the surfaces of pieces of sheet material, having a plural number of traveling belts forv receiving; and feeding into the machine the pieces to be treated a vat at the ends of the feed belts for holding the coating compound, a plural number of connected rotating rolls turning in the vat for applying coating compound to the pieces received from the feed belts, rotating rolls coeperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rollers for hold ing a fixing compound, and a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyer rollers, and discharging the pieces from the machine.

a. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to'be treated, vats at the ends of the feed belts for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the feed belts, individually driven rotating rolls coiiperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, and a travelin apron with a section running in the tan for receiving and applying the fixing compound tothe pieces received from the conveyer rollers, and discharging the pieces from the machine.

5. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, vats at the ends of the feed belts for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the, feed belts, individually driven rotating rolls cocperating with the applying rolls for coating and feeding the pieces, swinging frames carrying said cooperating rolls, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rolls for holding a fixing compound, and a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyer rollers, and'dischar ing the pieces from the machine.

6. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receivingand feeding into the machine the pieces to be treated, vats at the ends of the feed belts for holding the coating compound, means for raising and lowering the vats, rotating rolls 7 turning in the vats for applying coating compound to the pieces received from the feed belts, rotating rolls cooperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying" the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, and a travelingapron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyor rollers, and discharging the pieces from the machine.

7. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, vats at the ends of the feed belts for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the feed belts, rotating rolls cotiperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, a traveling apron With a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyer rollers, and discharging the pieces from the machine, rolls carrying said apron, and tension rolls intermediate said apron rolls.

8. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, vats at the ends of the feed belts for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the feed belts, rotating rolls cooperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyer rollers, and discharging the pieces from the machine, rolls carrying said apron, tension rolls intermediate said apron rolls, and an adjustable frame carrying said tension rolls.

9. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, vats at the ends of the feed belts for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the feed belts, rotating rolls cooperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyer rollers, and discharging the pieces from the machine, rolls carrying said apron, tension rolls intermediate said apron rolls, and a frame pivotally supported at one side and having its other side adjustable up and down, carrying the tension rolls.

10. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, rotating rolls at the ends of the feed belts for applying coating compound to the pieces received from the feed belts, rotating rolls cooperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying the pieces treated by the coating rolls, and atraveling apron back of the conveyer rollers for receiving and applying fixing compound to the pieces received from the conveyer rollers, and discharging the pieces from the machine.

11. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, vats at the ends of the feed belts for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the feed belts, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, and a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the con veyer rollers, and discharging the pieces from the machine.

12. A machine for treating the surfaces of pieces of sheet material, having traveling belts for receiving and feeding into the machine the pieces to be treated, vats at the ends of the feed belts for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces receivedfrom the feed belts, individually driven rotating rolls cooperating with the applying rolls for coating and feeding the pieces, and rotating rollers for receiving and conveying the pieces treated by the coating rolls.

13. A machine for treating the surfaces of pieces of sheet material, having vats for holding the coating compound, rotating rolls turning in the vats for applying coating compoundto the pieces received from the feed belts, rotating rolls cooperating with the applying rolls for coating and feeding the pieces, rotating rollers for receiving and conveying the pieces treated by the coating rolls, a tank back of the conveyer rollers for holding a fixing compound, and actraveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyer rollers, and discharging the pieces from the machine.

14. A machine for treating the surfaces of pieces of sheet material, having means for receiving and feeding into the machine the pieces to be treated, vats at the ends of the feeding means for holding the coating compound, rotating rolls turning in the vats for applying coating compound to the pieces received from the feed, rotating rolls cooperating With the applying rolls for coating and feeding the pieces, a conveyer for receiving the pieces treated by the coating rolls, a tank back of the conveyer for holding a fixing compound, and a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from the conveyer, and discharging the pieces from the machine.

15. A machine for treating the surfaces of pieces of sheet material, having means for feeding into the machine the pieces to be treated, means for applying coating compound to the pieces received from the feed, a conveyer for receiving the pieces treated by the coating means, a tank back of the conveyer for holding a fixing compound, a traveling apron with a section running in the tank for receiving and applying the fixing compound to the pieces received from 10 the conveyer, and discharging the pieces from the machine, rolls carrying said apron, tension rolls intermediate said apron rolls, and

a frame pivotally supported at one side and having its other side adjustable up and 15 down, carrying the tension rolls.

SAMUEL E. DART.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner. of Patents.

Washington, D. C. 

